public function buy()
{
$totalSum = 0;
$cart = Session::get('cart');
$this->product->startTran();
$productsFromCart = $this->getProductsFromCart($cart);
foreach ($productsFromCart as $item) {
if ($this->product->changeQuantity($item['id'], $item['cart_quantity']) !== 1) {
$this->product->rollback();
Session::setError('not enough available product');
Redirect::back();
}
$totalSum += $item['price'] * $item['cart_quantity'];
}
$user = new User();
if ($user->changeUserCash(Auth::getUserId(), $totalSum) !== 1) {
$this->product->rollback();
Session::setError('not enough money');
Redirect::back();
}
foreach ($productsFromCart as $item) {
if ($user->addProduct(Auth::getUserId(), $item['id'], $item['cart_quantity'], $item['price']) !== 1) {
$this->product->rollback();
Session::setError('something went wrong');
Redirect::back();
}
}
$this->product->commit();
Session::remove('cart');
Session::setMessage('Done');
Redirect::to('user/cart');
}
